Physics Letters A
Physics Letters A > 2017 > 381 > 32 > 2636-2642
Physics Letters A > 2017 > 381 > 34 > 2837-2840
Physics Letters A > 2017 > 381 > 37 > 3222-3227
Physics Letters A > 2017 > 381 > 32 > 2636-2642
Physics Letters A > 2017 > 381 > 34 > 2837-2840
Physics Letters A > 2017 > 381 > 37 > 3222-3227